12v LiFePO4 Battery Kit from Amazon.com - Tested and Reviewed

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My Favorite Online Stores for DIY Solar Products:
Signature Solar
Offgrid One-Stop-Shop. Best Value 48V LiFePO4, Victron and Offgrid Specific Heat Pumps:
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Current Connected
SOK, Victron, Mr.Cool Heatpumps and High Quality Components:
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Ecoflow Delta
My favorite plug-n-play solar generator:
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AmpereTime
Cheapest 12V batteries around:
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Renogy
A classic 12V solar store that has been around for ages!
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Rich Solar
Renogy's biggest competitor! Similar products, but at a better price:
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Battery Hookup
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Contact Information:
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FTC Disclosure Statement and Disclaimers:
Every video includes some form of paid promotion or sponsorship. Some links on this youtube channel may be affiliate links. We may get paid if you buy something or take an action after clicking one of these. My videos are for educational purposes only. Information is subject to change/update at any time. Electricity is DANGEROUS and can kill. Be smart and use common sense :)
DIY Solar Power with Will Prowse is a participant in the Amazon Services LLC Associates Program,
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[@WillProwse]

I also need to mention that I will have some beginner friendly videos coming out! Step by step that literally anyone could follow. Super useful for first time solar system builders :) And I'm also designing a monster sized system that can charge an electric car. Lots to come! ~~~~~~~~~~~~~~~~~~~~~~~~~~~ Does off-grid solar confuse you? Check out my DIY friendly website for solar system packages and product recommendations, and so much more! www.mobile-solarpower.com Join our DIY solar community! #1 largest solar forum on the internet for beginners and professionals alike: www.diysolarforum.com Check out my best-selling, beginner-friendly 12V off-grid solar book (affiliate link): amzn.to/2Aj4dX4 If DIY is not for you, but you love solar and need an offgrid system, check out Tesla Solar. Low prices and great warranty, and they can take your entire house offgrid with their new Powerwalls: ts.la/william57509 ~~~~~~~~~~~~~~~~~~~~~~~~~ My solar equipment recommendations (Constantly updated! Check here first): 12V/48V Lithium Batteries: www.mobile-solarpower.com/solar-batteries.html Solar System Component Directory: www.mobile-solarpower.com/solarcomponents.html Plug-N-Play Systems: www.mobile-solarpower.com/full-size-systems.html Complete 48V System Kits: www.mobile-solarpower.com/complete-48v-solar-kits.html DIY Friendly Air Conditioner/ Heat Pumps: www.mobile-solarpower.com/solar-friendly-air-conditioners.html Complete 48V System Blueprint: www.mobile-solarpower.com/48v-complete-system-blueprint.html ~~~~~~~~~~~~~~~~~~~~~~~~~~ My Favorite Online Stores for DIY Solar and Coupon Codes: -Current Connected: SOK, Victron and High Quality Components. Best prices and warranty around: currentconnected.com/?ref=wp -Signature Solar: Cheap Server Rack Batteries and Large Solar Panels: www.signaturesolar.com/?ref=h-cvbzfahsek -Ecoflow Delta Official Site: My favorite plug-n-play solar generator: us.ecoflow.com/?aff=7 -AmpereTime: Cheapest 12V batteries around: amperetime.com/products/ampere-time-12v-100ah-lithium-lifepo4-battery?ref=h-cvbzfahsek -Rich Solar: Mega site and cheaper prices than renogy! Check them out: richsolar.com/?ref=h-cvbzfahsek -Shop Solar Kits: Huge site with every solar kit you can imagine! Check it out: shopsolarkits.com/?ref=will-p -Battery Hookup: Cheap cell deals bit.ly/2mIxSqt 10% off code: diysolar -Watts 24/7: Best deals on all-in-one solar power systems, with customer support and distribution here in the USA: watts247.com/?wpam_id=3 ~~~~~~~~~~~~~~~~~~~~~~~~~~~ Contact Information: I am NOT available for personal solar system consult! If you wish to contact me, this is my direct email: [e-mail] Join the forum at diysolarforum.com/ if you wish to hang out with myself and others and talk about solar FTC Disclosure Statement and Disclaimers: Every video includes some form of paid promotion or sponsorship. Some links on this youtube channel may be affiliate links. We may get paid if you buy something or take an action after clicking one of these. My videos are for educational purposes only. Information is subject to change/update at any time. Electricity is DANGEROUS and can kill. Be smart and use common sense :) DIY Solar Power with Will Prowse is a participant in the Amazon Services LLC Associates Program, An affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com

[@bernardthedisappointedowl6938]

I enjoy your videos Will, but for your owl viewers, could you occasionally sound a bit more bleak and despondent? We're built for disappointment, and you're relentlessly cheerful and optimistic - which is mostly charming, but you know, could you? Just for us owls? A tiny bit of resigned despair? Hoot, etc, my human friend, ^oo^

[@WillProwse]

Haha!!

[@zwarst]

Wow, can you look into an E-bike battery, I have a 1100w bafang BB motor yet would like to build a battery 🔋😃👍

[@chriseudy4684]

I need to drive electric for Grubhub in Flint. Looking at volts. What is up with that?

[@drmachinewerke1]

Will I’ll take that challenge. I’m new to the battery ,solar etc. Have your Mobile solar made easy. I need to read it again.

[@lizlo8586]

I am so hooked with your videos, I don’t understand a word your saying but your passion for what you do is contagious 😀.

[@TheEliteAnimal]

You are absolutely amazing! You should sell your own systems. I would buy and so would the rest of the entire world!

[@leercekim]

Thanks for the review. I was looking at them on Amazon last week, your review helps!

[@westcocoagorilla380]

Great videos, really appreciate you taking the time exploring DIY LiFePO4 batteries.

[@jodeluna62]

It Is Amazing That These Batteries Are Becoming So Prevalent And That You Are Experimenting With Newly Available Sources Of Power! Starting To Understand The Benefit Of The Balance Up And Down Sort of Like Tuning An Automobile Engine. Thank You!

[@honestfirecapt9532]

💜💜💜 Good job Will! I look forward to the monster system!

[@garyrandolph5855]

Thanks for the information that’s a great job on that!

[@Kee_Diddy]

Great info as usual, Will. Really appreciate it. I'm not sure what the agnostic equivalent phrase of "You're doing the lords work" is, but you're doin' it! Big high five.

[@alesandrabiasello]

Keelan Sears to the spiritual nature ppl he is known as “the sun harnesser”

[@larryll8320]

Look like a kid opening your Christmas gifts 😁🎅 great vid will 😍👍👍❤

[@jwrhynejr.6689]

,Awesome information, William! Thanks for this and a new source for lifepo4!

[@PrecioustheMovie1]

i just bought a $450 48v lithium battery off amazon for an ebike project and I am so thoroughly impressed with the technology, the future is now. And like you said, it's super cool that quality lithium is available on amazon.

[@WhiteGravey]

the future is always now you weirdo

[@theSaxman5]

Keepum coming Will and "Thanks".

[@stevevelobahn1814]

These are reasonably priced. Good find! Cheap entry, easy to scale up.

[@rokadamlje5365]

Cheap? 1000$ per kwh? Seriously?

[@hugoponce69]

Thank you for sharing all this information.

[@truckie117]

Rely sharp Will your parents must be proud with such a sharp kid keep the video's coming.

[@templebrown7179]

Great review, sir. Shared with a Solar Facebook group I follow.

[@Totogita]

I am glad that you are planing on a video for beginners. Bear in mind that the average Joe who really need this is low income and will stay away from the expensive parts. I started solar with a low cost kit in 2009. I have several low cost box to charge tablets and laptops. Remember monocrystaline may be the best but does not do well in cloudy areas. I would love to see a project that keeps the cost to the lowest minmum.

[@JWTX]

I'm goinh to be watching more of your videos to take advantage of your knowledge because I'm basically a beginner and need to learn as much as i can. Sure wish you were my buddy and could learn face to face...lol 👍

[@MStrickkk]

You're right in that you don't have to buy them on Ali because they are obviously listed on Amazon. That being said, the ship date is 1 to 3 weeks out. Just because they are listed on a different marketplace doesn't mean they don't come from the same seller.

[@omgnothingisavl]

amazon buyer protections are pretty good though.

[@MStrickkk]

@@omgnothingisavl I know that to be fact when they are shipped from an Amazon warehouse, but not so much when they never go through Amazon's system. I had issues with a previous purchase because it was sold and shipped by a 3rd party.

[@guidolyons4912]

Great videos. Thanks for your videos explaining LiFePO4 batteries for newbs.

[@TheFarmacySeedsNetwork]

EXCELLENT assessment! Thank you!

[@geraldforrester4366]

Very good info. Well presented.

[@thethoughtmaster]

Thanks, you give proper information.

[@nicholascherry5962]

Damn bro! You keep on making gem videos. Just cut my build price in half!

[@titlepower]

at 6:20 - "They sent this out to me.........They didn't pay me for this....." But you got to keep the batteries and that has a monetary value. Batteries to use for free. I do enjoy tour videos. Keep it up!!!

[@whitevanman9500]

Great Vids Will 👌

[@fourzerofour7860]

Huh, pretty good find. Not a bad price for matched LiFePO4 cells, if they perform as advertised over time.

[@jeffreyvaughn6332]

u r my favorite utuber

[@FaresLeb]

Man I love your voice😄. good job

[@liambradner1492]

Hi Will I have watched several of your vids and have found them all to be very well done and useful. You are the first and ,so far, only channel that I have subscribed to. I live in Ontario and am in a solar house with a 7320 watt solar array. I have a li ion battery with only 106 amp hours. 5kw @48v. I want to build a 48 v 400 amp hour battery bank to hook up to my outback equipment 2 main terminals. Which vids should I watch and or would you be able to do a vid or contact me to share the needed info. Keep up the great work and I will keep watching.

[@ninorcsinned3465]

Hi Will.. can you compare these to battle born type batteries. Are these a good way to save money? Thanks

[@SantyPadillaJr]

Would love to see more videos from your channel bro :)

[@robviolin1]

Helpful, thanks 👍

[@maggiesjourney3877]

Only you would find this fun. Lol. You are awesome Will.

[@georgefenrich8942]

Cool, Looks FUN!

[@markrigsby2425]

Very informative.

[@michaelagnew7825]

1. How about testing multiple small cells versus same AH value large cells for resistance 2. Second test, the resistance for wiring 8 in series then parallel or paralleling 2 x 4

[@rhettsanborn621]

Another Great video WIll! You're turning me into a battery junkie!!!

[@WillProwse]

Oh I understand that addiction! Haha

[@jcjensenllc]

Better way to tape together is lay them on side and use table to align edges. Better yet, stack the batteries in an inside corner - the two battery edges align automatically to the corner faces.

[@melkiorwiseman5234]

You can now get pre-assembled 12V LiFePO4 batteries with the balance charging circuit built-in to the package, for a bit more than the cost of these battery kits. They're around AU$999 retail for the 100Ah version. You pay the extra because they've done all the hard work of assembling it and adding the balance charging circuit and nicely packaging it all.

[@crazygameruk3939]

Nice video will keep up the good work. Got my teardrop caravan wired up with 230v off grid electrics for under £200 thanks to your posts. Just need upgrade my 100w panel to a 310w panel as I'm not managing to maintain power. I found a panel that measures just 1.5 meters by 0.8m that fits perfect on the flat roof design. I'm using one lead acid battery due to budget with a 110ah rating. Get about a day and a half of power running a 22 litre 230v fridge. So it's nearly perfect for weekend getaways. I've seen 6a from a 100w solar panel which I found amazing. Also had to return a cheap inverter. Said pure sine wave on it but it used the power quick and always sounding its alarming after 5 mins use but providing power. Looked like the grid tie inverter you put a conversation up about concerning safety aspects. P.s. I can recycle those po4 batteries I'd you want to make some room 😎😂

[@lindaisenegger163]

Ahhhhh...every time I think I understand on a whole I watch and old video and I notice something I missed ......you really have this Chicago old lady on her toes!!!...I'll see myself out dang it....

[@mountainconstructions]

Thanks man

[@joebartnick1217]

I really appreciate your videos. Ever think of building batteries for us dummies? I know shipping would stink yet I trust you and think you could make a little jingle and really help us DIY selfers out.

[@ElectronicMarine]

always full charge every cell individualy before the first use.... a good usage is to test them afterwards with a constant current source....

[@winterburan]

Thanks! Really inexpensive price, it is recommended for the first cell formation charge to use a maximum current of 0.5C and carry them only once at 4 volts per cell (read the manual of each individual brand because it is dangerous to make a mistake) then subsequently they can be downloaded and quietly charged at 3.5V per cell, 14V @ 12V battery and do not drop below 3Volt per cell 12 @ 12volt battery, so they last an eternity!

[@winterburan]

@@vincentrobinette1507 Sorry, obviously I can't express myself correctly in English, pretend I didn't write it. When I say cell formation, I say that it is the first absolute charge of the cell to be done only and exclusively once only, and it is necessary to unload successively and quickly up to the maximum pefissata voltage 3.5 / 3.6V use this only for the Winston monobloc, logically 4V are so many shops to pay attention, we must never get there again and it is not valid for the other brands, every brand has its own specifications also based on the type of internal electrodes, besides that they are now sold already manufactured by the factory 'importer, the first time it is also recommended to connect them all in parallel to self balance and load them or with a special charger for a single cell or with an adjustable power supply, then create the series for normal use at the minimum and maximum voltages desired for the cycle duration and desired ability.

[@rayanderson6848]

At some point it would be great if you could do a vid with a battery bank on a yacht - what I am dealing with now

[@harleyd500]

I went with CALB cells. About $550/100Ah with busbars. Went with bottom balance and quality chargers and low voltage disconnect. These prismatic cells are pretty stable workhorses. 13.68v max charge for the bank and 12v battery disconnect on the inverter. 11.8 on the battery disconnect. That leaves almost all the capacity meat on the bone while steering clear of a voltage cliffs on either side. No top balancing BMS complexity. Simple system that works.

[@WillProwse]

Exactly. Once you dial it in these are solid. And sinopoly, Winston and calb seem to be highest quality cells, so very nice

[@harleyd500]

@@vincentrobinette1507 Bottom balanced and max charging voltage set for the fastest rising cells. After a year and a half testing with cells separated (and also tested in place in parallel groups like a top balancer system would look at) voltages checked at full charge hasn't changed. No cells have moved over time respective to each other. All my cells are still within 100th volt at full charge. Top balancers will charge over 14v. While 13.68 is still on the vertical cliff of the charge cycle it is within the spectrum of my banks voltage where cells still hold tight to each other. If it wasn't I would have no issue lowering it. As it is I am seldom at (intentionally) at 100%. My top voltage of 13.68v/bank was specifically set before onset of individual cell voltage separation after testing.These CALB cells don't drift that I have seen. But then again I am not using them full deep cycles in high 1C + discharge rates ( I can't actually discharge at 600ah anyway) like the car conversion people that have been beating on them for years now. In any case I have never recommended anyone build any system that they don't feel comfortable with and take ownership of their design. Building a DIY lithium battery bank isn't right for everyone even if they buy a 3rd party top balancing system which is a rabbit hole of it's own. For most people a drop-in battery despite the cost is probably better solution if they aren't going to do the work of understanding Lithium batteries advantages and serious limitations. Namely being overly discharged.

[@harleyd500]

@@vincentrobinette1507 Calb cells produce more than their advertised capacity. The cells come with a test sheet that shows each cells tested capacity. My nominally rated 600AH bank (24) 3.2v cells in 3p/4s x 2 configuration could store close to 700AH with enough safeguards to push cells to their maximum with an "active" top balancing BMS to fully fill each cell. I have tested my bank with 13.68v Max and 12v max discharge cuts off producing just over 600AH without getting near the danger zones on either side. That works for me.

[@movax20h]

100Ah what? One cell, 4 cells? 3.2V, 12.8V? What? What is the actual energy capacity in Wh?

[@spiewie1]

I bought a LiFePO4 Battery 100ah from aliexpress for 500 dollar and used your settings for the mt50 and it works great.

[@WillProwse]

Nice!!

[@Tkfl567]

Great videos. I'm trying to build a battery backup to run two house refrigerators and several small fans for overnight comfort during power outages. What do you recommend?

[@MrWhateverfits]

Ok I really needed to learn more about solar power systems so I will be watching more of this mans videos. Also he has really beautiful eyes, just saying.

[@Gabriel-mg6om]

Thankyou Sir!

[@greggardiner8779]

I find your content fascinating. Been using 6v golf carts in my trailer for years. Was going to increase my bank from 4 x 6v to 6 x 6v. I added a household fridge that runs my batteries down faster than i like. It is time to replace the golf cart batteries so thinking about using something like these or Battle Born.

[@leviahamefula3994]

I'll suggest you change your fridge to a smaller, energy efficient one if it isn't already. Or have two fridges with the energy efficient one on your batteries.

[@greggardiner8779]

@@leviahamefula3994 thank you for the suggestion, but sizing my electrical system to fit my wants is a better option for me.

[@nw7696]

Thanks! 😊👍🏻

[@FirstSuiGeneris]

*_Thanks_*

[@SLMain5]

TFS You are the bomb!

[@danryan522]

Hi Will. Fantastic channel with lots of useful information. I'm remodelling an old campervan and wondering what the best set up in terms of batteries I should use? I'm hoping to use 12v, 240 and solar as I'm looking to be off-grid camping a lot and want to have enough power to keep going. Would I be best getting a ready made.lithium or make my own up? Any guidance would be greatly appreciated. Many thanks :)

[@sticks29pgm29]

Great video Will. Can you show us a build that a kayaker can use? We use batteries for fish finders, lights and trolling motors.

[@videobob6789]

good job, thumb up

[@cutsomwood2570]

Sir, do you apply any cleaning solution to the electrical contacts before you connect them and if so what? Thank you!

[@Marginal391]

Thanks 🙏.

[@shabbin100]

Thanks Will. I'm seeing lifepo4 power battery 12v 100Ah waterproof cases showing up online with all kinds of outports, now. Do you have any thoughts on these cases? Is the inverter and Charge controller built in? I see they have BMS. You could make these little cases easily. They look quite handy but I don't know how well they are built.

[@ageranger1541]

Can you go over some of your equipment, balancer, watt meters and can talk about a few different 120v chargers?

[@clay2k452]

1. Power Analyzer - JZCreater Watt Meter Power Analyzer 2. ISDT BattGo BG-8S Battery Meter

[@robertphillips93]

Another among many great presentations, Will -- thanks! Maybe you can shed some light on an apparent anomaly from this source: the 200ah kit w/o BMS is $1200 and the 215ah kit w/o BMS is $160 less! The Q & A includes a question about this but the reply from seller is not altogether satisfying: "a lot of people search on 200ah, so we list that, but they are the same thing . . . (then why a lower price for higher capacity?)

[@amywang8802]

There is some misunderstanding ,the model 215Ah is on sale,and now only 1pack left. for amazon search reason,we show 200Ah on the headline too.

[@terryduff2270]

Any idea were we can purchase these from Australian agent as Amzn USA dont deliver to Aust

[@johnnygeejr500]

please show me how you make your videos.....they are professional , I have a project with the Scouts and Seniors coming up, and videos would just do the trick ! Thank you for all your out standing videos and generosity to share with others .............cheers !

[@itsdanschannel]

Great video thanks Will! I'm just hoping that they didn't cherry pick the cream of the crop to send you this sample. Otherwise it's not an accurate representation of what the average consumer will be buying from them.

[@WillProwse]

Yeah that's true, but they are sinopoly, so the only way they could "cream of the crop" me is to match them better than other ones.

[@johnfritz3792]

Do you have any videos on how to wire the inverter in to the panel of the rv system? Great videos!

[@alixanthonnet6473]

Hey thanks for all these great videos, can you tell me which charger can we use if we have no solar installation? I am looking for a charger or I could all program and or there would be no need for bms on my battery what do you advise me and what do you use in the video? (not solar, on the current of the house) Because if you have an accurate charger why would you need a bms during charging? I do not understand the utility, so if you have a bms I just send any current and it will take charge of the battery in the best conditions following the settings? For the discharge I have a display with the voltage and a buzzer if it goes down too low. Thank you for everything !

[@markhull1366]

Need to correct a previous post which I deleted. These Sinopoly do appear to be their premium cells. Many vendors sell "seconds" as premium cells. Good to see that there's finally an Amazon vendor selling a good brand. The prices are fair especially comparing AliExpress costs after shipping. Now if only they would market CALB.............BTW, Excellect presentation.

[@WillProwse]

Exactly!!

[@default1647]

Can you balance deeep cycle battery 6v ? I have 2 on my system 240ah

[@Shredaholics]

Fine I'll order your damn book... Lol

[@jacobhn2]

lovely batteries you have. I have an idea to balance the batteries continuously, I want you to know the idea I came up with for some time. Take a 5Kohm resistor on each battery (in parallel + and -) in series, thus the voltage is the same for all batteries. maybe a zener diode in series with the resistance so that the voltage does not come below 3V, if it works in the real world I do not know

[@simonm1447]

If you calculate the costs per KWh they are around 500 $ per KWh. I don't know what they cost in EU, but here you can buy a BYD battery box (a box with batteries, BMS included and ready to connect to the solar inverter) for around 500 € per KWh, VAT included. In my opinion a great product, also with Lifepo 4 cells.

[@mikejf4377]

Check out the 215 Ah setup on amazon, cheaper than the 200 Ah set. Near two times the 60 Ah. Where you using your balancer as a BMS?

[@kylewilson9809]

can i run those in my car audio setup with an agm under the hood?

[@MrPlaidFace]

How do you do the doings? Thanks in advance!

[@joshhobgoodphotography7217]

Thanks so much for all your videos! You’re awesome! I have a 5kw lg resu battery that I really really want to use off grid. Do you know anyway at all that I could make that happen. I guess the battery is designed for grid tied use but it’s a battery right? There’s got to be a way I could use it?

[@nigelspostbag]

You do some great videos and you always sound so existed. You often mention about batteries being balanced, can't we just get good batteries that don't need balancing?

[@VenturiLife]

Thanks. Any idea how many cycles they can handle, say if discharged to 20% each time? What is the weight of each cell?

[@kmuralikrishna1582]

Can you suggest me here, I want to convert petrol bike in to electric vehicle. Now I want mileage range is mini 50km per charge. What are the best batteries with voltage and ahm. I'm thinking 12v40ahm will it suffient for 50kms per charge...?

[@ICWe812]

Great information and I bought your book prior to finding you on KZbin. But I'm thinking . . . they sent you the battery for testing. If I was sending you my product hoping to get good press, would I not make sure the components I am sending are top notch and will test out in a positive fashion. Makes me wonder if they sent you "hand picked" cells. Would you have gotten the same quality if you were just a ramdom purchase . . . ? Next time some organization wishes to enlist your service, perhaps make an agreement you will source their product on the open market and be reimbersed thereafterwards. It would add much need credibility to product reviews. Thanks!

[@TheDeano4000]

Have you tested the Pylontech batteries?

[@KE8MWQ]

Do you have an opinion on the mighty max 12v 100Ah lithium battery? Would love to hear it if you do

[@offgridcircuits2413]

Where does one find a decent BMS for this system?

[@proveallthingskjv2570]

Break it down for us slow pokes...yeah..thank you bud

[@abecoulter8550]

how about you build and test and review one of jehu garcia's battery kits

[@crimmy0204]

I run all commercial electric lawn maintenance equipment, I was wondering what the best solution would be to install solar panels on my truck and charge my equipment while I'm working? I'd like to run at leas 2x ego super chargers? and maybe also have an option to charger lager commercial equiptment when I eventually can afford electric riding mowers?

[@johnohara3583]

I really like your reviews. Have you ever tested the Amazon offering $590.00 + $109.23 shipping 12V 100Ah lithium iron LiFePO4 Battery For EV, Car Audio System, Solar system, Electric boat, RV, Camping, Light Weight Small size (Compare with lead acid battery) Contain 4S 3.2V 100Amps Batteries

[@rickyblankenship6015]

you should test 2 6v batteries since its a common rv upgrade

[@gmc4150]

Thanks a lot, you are a good explainer

[@wakawaka1976]

What are the advantages of putting smaller batteries together instead of using a larger one?

[@SouthFlaDiver]

Thanks Sheldon

[@marktheamerican4162]

I would buy that

[@nwaman223]

What about using a Group 31 deep cycle for a budget build

[@NewsBroadcasting]

good video, how long did the 150w heat gun run for .

[@MarkNorman_NXTLVL]

Hey bro, thanks for this - I am currently in the process of importing a new 4x4 expedition vehicle and was wanting around 400ah worth of LiPo in exchange for the 200+ AH AGM batteries. Keen to know your thoughts about how many cell cycles these LiPo would get. Also, do you do consulting ? M P.S my off grid project is coming along!!

[@Sylvan_dB]

Sinopoly claims thousands of cycles (I don't remember if it was 1000 to 80% discharge or 2000 or if the 2000 was to 50%). Of course, that life requires you to treat them well -- do not over charge, do not over discharge, even a single cell (which is why you need to keep them reasonably balanced).

[@james10739]

For your discharge you should use a boost converter and put that energy into your tesla battery or whatever you are using instead of turning that energy into unwanted heat

[@WillProwse]

I love boost converters. And ya ur right.

[@GroovyVideo2]

my Calb cells output is 120 AH and cost $650 including shipping - from Electric Car Parts

[@WillProwse]

Link? Hard to believe for calb